[INFO] updating cached repository brianboyko/my-first-rust-program
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brianboyko/my-first-rust-program
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brianboyko/my-first-rust-program" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/brianboyko/my-first-rust-program"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/brianboyko/my-first-rust-program'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brianboyko/my-first-rust-program" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/brianboyko/my-first-rust-program"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/brianboyko/my-first-rust-program'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7214e40415872700b7498f4493def5ef7c127d9f
[INFO] sha for GitHub repo brianboyko/my-first-rust-program: 7214e40415872700b7498f4493def5ef7c127d9f
[INFO] validating manifest of brianboyko/my-first-rust-program on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brianboyko/my-first-rust-program on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brianboyko/my-first-rust-program
[INFO] finished frobbing brianboyko/my-first-rust-program
[INFO] frobbed toml for brianboyko/my-first-rust-program written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/brianboyko/my-first-rust-program/Cargo.toml
[INFO] started frobbing brianboyko/my-first-rust-program
[INFO] finished frobbing brianboyko/my-first-rust-program
[INFO] frobbed toml for brianboyko/my-first-rust-program written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/brianboyko/my-first-rust-program/Cargo.toml
[INFO] crate brianboyko/my-first-rust-program already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking brianboyko/my-first-rust-program against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-6/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/brianboyko/my-first-rust-program:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2199da36e6d1aa0b899c20303c16fa642a745bf58d338582a356b62edf552e4b
[INFO] running `"docker" "start" "-a" "2199da36e6d1aa0b899c20303c16fa642a745bf58d338582a356b62edf552e4b"`
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `"docker" "inspect" "2199da36e6d1aa0b899c20303c16fa642a745bf58d338582a356b62edf552e4b"`
[INFO] running `"docker" "rm" "-f" "2199da36e6d1aa0b899c20303c16fa642a745bf58d338582a356b62edf552e4b"`
[INFO] [stdout] 2199da36e6d1aa0b899c20303c16fa642a745bf58d338582a356b62edf552e4b